to start singing suddenly out of happiness
因高兴突然开始唱歌 (yīn gāoxìng túrán kāishǐ chànggē)
"He burst into song when he got the good news."
"他收到好消息时突然唱起歌来。" (tā shōudào hǎo xiāoxī shí túrán chàngqǐ gē lái)
to ask someone formally to do something
to quit or withdraw from a competition or activity
to continue doing something despite difficulties
to lead someone into a room or building
to gradually become visible at the beginning of a scene
to isolate yourself emotionally from others